Specification for TM3RA-66(50)
| Electrical mounting | THT |
| Connector | socket |
| Contact plating | gold-plated |
| Type of connector | RJ12 |
| Number of pins | 6 |
| Contact material | phosphor bronze |
| Type of pin configuration | 6p6c |
| Ethernet category | Cat 3 |
| Connector variant | unshielded |
| Spatial orientation | straight |